Q: Is 420,472 a Prime Number?
A: No, 420,472 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 420472 can be evenly divided by 1 2 4 8 13 26 52 104 169 311 338 622 676 1,244 1,352 2,488 4,043 8,086 16,172 32,344 52,559 105,118 210,236 and 420,472, with no remainder.
Since 420,472 cannot be divided by just 1 and 420,472, it is not a prime number.